Reduce the amount of included header files. Vast change like in "Oh God! This...

chrome/browser/ime_input.h

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_IME_INPUT_H__
-#define CHROME_BROWSER_IME_INPUT_H__
+#ifndef CHROME_BROWSER_IME_INPUT_H_
+#define CHROME_BROWSER_IME_INPUT_H_
 
 #include <windows.h>
 
 #include <string>
 
 #include "base/basictypes.h"
-#include "base/gfx/Rect.h"
+#include "base/gfx/rect.h"
 
 // This header file defines a struct and a class used for encapsulating IMM32
 // APIs, controls IMEs attached to a window, and enables the 'on-the-spot'
 // input without deep knowledge about the APIs, i.e. knowledge about the
 // language-specific and IME-specific behaviors.
 // The following items enumerates the simplest steps for an (window)
 // application to control its IMEs with the struct and the class defined
 // this file.
 // 1. Add an instance of the ImeInput class to its window class.
 //    (The ImeInput class needs a window handle.)
@@ skipping 272 matching lines @@
   //   * true: it creates a system caret.
   //   * false: it does not create a system caret.
   bool system_caret_;
 
   // The rectangle of the input caret retrieved from a renderer process.
   gfx::Rect caret_rect_;
 
   DISALLOW_EVIL_CONSTRUCTORS(ImeInput);
 };
 
-#endif  // #ifndef CHROME_BROWSER_IME_INPUT_H__
-
+#endif  // #ifndef CHROME_BROWSER_IME_INPUT_H_